Release Notes for Zabbix 5.0.26

Zabbix Team is pleased to announce the availability of Zabbix 5.0.26.

Zabbix is an enterprise-class open source distributed monitoring solution. Zabbix is released under the GPL, thus it is free of charge for both commercial and non-commercial use. A complete text of the license is available at

This document contains the release notes for Zabbix 5.0.26. Download it from download.

The following sections describe the release in details and provide late-breaking or other information that supplements its main documentation.

New Features and Improvements

ZBXNEXT-6300 Added checksum failure triggers to PostgreSQL by Zabbix agent 2 template

Bug Fixes

ZBX-7706 Improved performance of graph.get and graphprototype.get methods
ZBX-20448 Improved error message when failed to accept incoming connection
ZBX-21218 Fixed deadlocks between server and frontend when discovering items with LLD
ZBX-20586 Free tls C resources when closing tls connection on agent2
ZBX-21301 Fixed ambiguity and inability to set character set for MariaDB connection by setting utf8mb3 character instead of utf8
ZBX-17450 Added check for minimal amount of data with forecast/timeleft functions and polynomial fit
ZBX-19001 Fixed wmi.getall[] and wmi.get[] to report invalid queries
ZBX-20868 Fixed count function pattern to support whole numeric unsigned number in decimal and scientific notation
ZBX-20667 Fixed timeout issue for Agent 2 checks in test run mode
ZBX-20203 Fixed agent2 log* item large file support on windows
ZBX-18957 Fixed not displaying years on X axis of classic graphs
ZBX-21020 Improved "ServerActive" configuration option description
ZBX-20473 Fixed evaluation period macro in disk space triggers for NetApp FAS3220 template
ZBX-19205 Fixed item preprocessing in PostgreSQL by Zabbix agent 2 template, removed duplicate PostgreSQL templates from templates.tmpl
ZBX-20743 Fixed error handling in compression with Apache licensed TimescaleDB 2.x

Installation and Upgrade Notes


See Zabbix documentation for full details.


See Upgrade procedure for upgrade options and instructions. For version specific upgrade notes, see Upgrade notes for 5.0.26.

Commercial support

Zabbix Company provides a full range of Professional Services. We also provide trouble-free Upgrade Service for easy migration from earlier versions of Zabbix. Please Contact sales for pricing and more details.


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